Shelf = Widget.extend({
	runningAction:null,
	ctor:function(){
		this._super();
		this.init();
		this.setTag(TAG_SHELF_ALL);
	},
	init:function(){
		//铁架台
		this.body = new Button(this, 10, TAG_SHELF, "#shelf.png", this.callback,this);
	}
});